Content Tag Sets

Page Contents

Overview of Content Ta=
g Sets

Content Tag Sets are used for tagg=
ing content using vocabularies managed in EDG. Users can tag (assign metadata to) content through a visua=
l user interface that displays the context for both the content and the voc=
abulary. They can also run Tagger's auto-classification capability to autom=
atically assign relevant tags to content and review the results.

Content Tag Sets Home

Selecting the Content Tag Sets link in the left-navigat=
ion pane of TopBraid EDG lists all of the Content Tag Set collections =
currently available to the user and, it allows authorized users t=
o create new ones.

Listing of Content Tag =
Sets

This home view shows a table with all Content Tag Sets that you can acce=
ss in some way. For each collection some brief metadata is available i=
n columns of the table. Columns are sortable and you can filter content of =
the table by typing search strings in the Refine field at =
the upper right of the table. To access an asset collection, click on its l=
ink.

To create an asset collection click on Create New Content T=
ag Set button.

You can also select an asset collection in the table and start a workflo=
w for it.

This page provides a focused view on Content Tag Sets. To see a vie=
w of all asset collections, irrespective of their type, that you have a gov=
ernance role for, click on your Us=
er Name in the upper right corner of the page. To see all asset co=
llections you have access to organized by their subject areas, click on the=
Governance Areas link in the left hand-side vertical Navi=
gation Bar.

If a Content Tag Set is either missing or it is lacking expected feature=
s in your views, you or your security role(s) may lack proper pe=
rmissions for the Content Tag Set. A manager=
of the Content Tag Set can give you the needed permissio=
ns via its utilities' Users settings. For =
background information, see Asset Collection Permissions: =
Viewer, Editor, and Manager.

Another possible cause of a missing feature is that it requires administ=
rative setup to become active. See EDG Administrati=
on for relevant within-application settings and/or see other EDG Administrator Guide documents for relevant external i=
nstallation and integration setup.

Create New Content Tag S=
et

The Content Tag Sets > Create New Content Tag Set=
strong> link opens a form with fields used to define the new Cont=
ent Tag Set. Note that you can also create a Content Tag Set by using =
a Create link in the Governance Areas page.

Whenever a new Content Tag Set is created, the system will by default ad=
d an owl:import to a SHACL graph called taggershapes. For imp=
lementations done before version 5.2, the only way to add this would be a m=
anual outside procedure. With this import, users can go to the Constraint V=
iolations report and will get a screen as shown in the attachments, with an=
Apply button to quickly delete the triples. Basically, whenever either the=
subject or the object of a tag triple is deleted, an entry will be shown.<=
/p>

An EDG administrator sets up the content and property graph choices, as =
described in Configuring content and property graphs, which describes =
not only the setup but the information that must be in these graphs for Tag=
ger to display them properly.

After completing this, to create a new tag set, select Content T=
ag Sets from the main EDG left-navigation menu and then select Create New Content Tag Set, which invokes a wizard for config=
uring your new tag set. The first step defines the following:

Label The name that will appear for this tag s=
et in the list of tag sets on the EDG main screen.

Description A description of the tag set to he=
lp people understand what it's for.

Content Graph The list of content resources to=
tag. A single content graph might list a set of newspaper articles or a co=
llection of journal articles.

Tag Property Graph The list of relationships c=
hoices available when tagging content resources with concept terms. For exa=
mple, when assigning the concept term Business to a news story, a =
given tag property graph might offer tag property choices such as mainS=
ubject and secondarySubject. Tag properties must be defined w=
ith several rules detailed in Tagger User Guide: Configuring content a=
nd property graphs.

Tagging Vocabulary The concepts used to tag th=
e contents. This can be either a SKOS taxonomy, or an RDFS/OWL ontology, wi=
th skos:broader or subclass relationships forming a concept hierar=
chy. A news story vocabulary would include terms such as Business, Sports, =
and Weather, while an academic journal vocabulary would typically have tech=
nical terms more specific to a particular academic field such as medicine o=
r mathematics.

Content Graph, Tag Property Graph and Ta=
gging Vocabulary are all drop-down fields that offer you a spec=
ific choice to select from. Tagging Vocabula=
ry lists all vocabularies displayed on the system, while the se=
lection listed on the other two drop-downs are configured by your EDG admin=
istrator as described in the section Configuring content and property graph=
s.

Content Tag Set graph: This graph, containing all of the =
{<content> <property> <vocabulary-term>} triples. This is=
the sole data created in a Content Tag Set, as the three other graphs (con=
tent, properties and concepts) can be any other EDG project or arbitrary gr=
aph as long as they are selected as such by your EDG administrator.

After you set these values and click the =
Next button, the second configuration screen lets you customize=
the Tagger interface for this tag set with the following fields:

Default Tag Property If most tagging will be d=
one with the same property, selecting it here can make the tagging go more =
quickly.

Tag Properties This lists all properties in th=
e Tag Property Graph, as selected on the previous screen. Only properties w=
ith an rdfs:range value of skos:Concept will appear in this list. Only chec=
ked properties and the default tag property will appear as choices to users=
tagging with this Content Tag Set.

Root Content Type The class/subclass structure=
of an RDFS or OWL model available in the content graph will appear here. O=
ne class can be chosen as the root class that will appear along with its su=
bclasses as the Content Types hierarchy of EDG Tagger. Exp=
and the tree to find the content type that you want to serve as the root an=
d select it.

Once you have finished configuring your new Content Tag Set, it will app=
ear as a link on the Content Tag Sets=
tab.